WO2018038377A1 - Amortisseur de pulsations d'admission de compresseur de type à plateau oscillant - Google Patents

Amortisseur de pulsations d'admission de compresseur de type à plateau oscillant Download PDF

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Publication number
WO2018038377A1
WO2018038377A1 PCT/KR2017/006762 KR2017006762W WO2018038377A1 WO 2018038377 A1 WO2018038377 A1 WO 2018038377A1 KR 2017006762 W KR2017006762 W KR 2017006762W WO 2018038377 A1 WO2018038377 A1 WO 2018038377A1
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WIPO (PCT)
Prior art keywords
suction
core
case
hook
reduction device
Prior art date
Application number
PCT/KR2017/006762
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English (en)
Korean (ko)
Inventor
윤영섭
임승택
Original Assignee
한온시스템 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 한온시스템 주식회사 filed Critical 한온시스템 주식회사
Priority to DE112017000161.7T priority Critical patent/DE112017000161B4/de
Priority to CN201780004007.2A priority patent/CN108291534B/zh
Priority to US15/780,565 priority patent/US10844853B2/en
Priority to JP2018521647A priority patent/JP6605137B2/ja
Publication of WO2018038377A1 publication Critical patent/WO2018038377A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0027—Pulsation and noise damping means
    • F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
    • F04B49/225—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves with throttling valves or valves varying the pump inlet opening or the outlet opening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
    • F04B27/1009—Distribution members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/14—Control
    • F04B27/16—Control of pumps with stationary cylinders
    • F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
    • F04B27/1804—Controlled by crankcase pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/0027—Pulsation and noise damping means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/10—Adaptations or arrangements of distribution members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/121—Casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/123—Fluid connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/125—Cylinder heads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/102—Disc valves
    • F04B53/1022—Disc valves having means for guiding the closure member axially
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F04B53/102—Disc valves
    • F04B53/1022—Disc valves having means for guiding the closure member axially
    • F04B53/1027—Disc valves having means for guiding the closure member axially the guiding means being provided at both sides of the disc
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
    • F16K15/026—Check valves with guided rigid valve members the valve being loaded by a spring the valve member being a movable body around which the medium flows when the valve is open
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves
    • F16K27/0209—Check valves or pivoted valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/14—Control
    • F04B27/16—Control of pumps with stationary cylinders
    • F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
    • F04B27/1804—Controlled by crankcase pressure
    • F04B2027/1809—Controlled pressure
    • F04B2027/1818—Suction pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/14—Control
    • F04B27/16—Control of pumps with stationary cylinders
    • F04B27/18—Control of pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
    • F04B27/1804—Controlled by crankcase pressure
    • F04B2027/1863—Controlled by crankcase pressure with an auxiliary valve, controlled by
    • F04B2027/1881—Suction pressure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7904—Reciprocating valves
    • Y10T137/7922—Spring biased
    • Y10T137/7929—Spring coaxial with valve
    • Y10T137/7937—Cage-type guide for stemless valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7904—Reciprocating valves
    • Y10T137/7922—Spring biased
    • Y10T137/7929—Spring coaxial with valve
    • Y10T137/7938—Guide means integral and coplanar with valve disk

Definitions

  • the present invention relates to a suction pulsation reducing device of a swash plate compressor, and more particularly, to a suction pulsation reducing device provided on a suction flow path formed in a rear head of a swash plate compressor, to limit a moving section of a core part and
  • the configuration for mounting on the suction pulsation reduction device is formed integrally with the case all.
  • compressors that serve to compress refrigerant in a vehicle cooling system have been developed in various forms.
  • Such a compressor has a configuration for compressing the refrigerant has a reciprocating type to perform the compression while reciprocating and a rotary type to perform the compression while rotating.
  • the reciprocating type there is a crank type which transmits the driving force of the driving source to a plurality of pistons using a crank, a swash plate type which transmits to a rotating shaft provided with a swash plate, and a wobble plate type which uses a wobble plate.
  • vane rotary type used, scroll type using turning scroll and fixed scroll.
  • the swash plate type compressor is driven according to the on / off of the air conditioner switch.
  • the temperature of the evaporator is lowered, and when the compressor is stopped, the temperature of the evaporator is increased.
  • the swash plate type compressor includes a fixed displacement type and a variable displacement type. These compressors are driven by receiving power from the rotational force of the engine of the vehicle.
  • the fixed displacement type electronic clutch is provided to control the driving of the swash plate type compressor.
  • the RPM of the vehicle flows when the compressor is driven or stopped, thereby preventing stable vehicle operation.
  • variable capacity type that is not provided with a clutch and is always driven together with the driving of the engine of the vehicle and which can change the discharge capacity by changing the inclination angle of the swash plate is widely used.
  • a pressure regulating valve for adjusting the inclination angle of the swash plate is generally used to control the amount of refrigerant discharge.
  • the on-off valve 500 has been proposed in FIG. 1 in order to avoid sudden suction by gradually changing the flow area of the suction port when the refrigerant suction amount is small.
  • the on-off valve 500 is composed of a case 510, the opening and closing core 520, and the elastic spring 530, the case 510 is provided with an inlet 511 open at the upper end, one side wall surface A discharge port 512 is formed at right angles to the suction port 511.
  • the opening and closing core 520 is a cylindrical plunger installed in the case 510 so as to be movable in the axial direction.
  • the opening and closing core 520 moves up and down the inside of the case 510 according to the refrigerant pressure applied to the inlet 511. ) Serves to control the flow of the refrigerant from the discharge port 512.
  • the elastic spring 530 is installed to elastically support the opening and closing core 520 against the pressure of the refrigerant flowing into the case 510 through the inlet 511, the refrigerant pressure is not applied to the inlet 511. At this time, the opening and closing core 520 is in close contact with the inlet 511 to allow the inlet 511 to be closed.
  • an axial groove 521 is formed on the outer circumferential surface of the opening and closing core 520, so that the refrigerant can flow through the axial groove 521 even when the opening and closing core 520 is in close contact with the suction port 511. In this way, even if there is a sudden change in the refrigerant pressure applied to the inlet 511, a sudden change in the opening degree of the suction pulsation reducing device can be prevented.
  • the cover formed to have a metal cover or coupling structure for installation in the compressor while limiting the movement of the opening and closing core 520 was applied.
  • the suction check valve 500 is installed inside the compressor by a press-fit method, and when the cover formed to have a coupling structure is applied, the suction check valve 500 is fitted inside the compressor by a fitting method. Installed.
  • an object of the present invention is to limit the movement period of the core portion in the suction pulsation reduction device provided on the suction flow path formed in the rear head of the swash plate compressor,
  • the configuration for mounting on the suction passage is integrally formed in the case, thereby providing a suction pulsation reduction apparatus that is simplified in configuration and easy to assemble.
  • an object of the present invention is to provide a suction pulsation reduction device capable of reducing the cost by the case is manufactured by a plastic injection method.
  • an object of the present invention is installed in the groove formed in the groove formed on the suction flow passage is mounted to the engaging portion of the case, the hook engaging portion formed inward on the groove portion of the position corresponding to the body hook portion formed on the outer peripheral surface of the case is formed It is thereby to provide a suction pulsation reducing device that can prevent the rotation during refrigerant suction.
  • the suction pulsation reducing device (1) located on the suction flow passage (21) formed in the rear head of the swash plate compressor according to an embodiment of the present invention, located on the suction port 20 side, one side is opened in the longitudinal direction
  • a case 100 including a suction inlet 110, a discharge port 120 having a predetermined outer circumferential surface formed therein, and a catching part 130 at which an edge of one end thereof protrudes outward;
  • a core part 200 moving in the longitudinal direction in the case 100 to adjust the opening and closing area of the suction port 110 according to the suction pressure of the refrigerant flowing from the suction port 110;
  • an elastic spring 300 inserted into the case 100 and seated on the other side of the case 100 to elastically support the core part 200. Characterized in that it comprises a.
  • the suction pulsation reducing device 1 is a core hook portion 140 protruding inward in a predetermined region of the inner circumferential surface of the case 100 and a position corresponding to the core hook portion 140. It extends in the longitudinal direction on the outer peripheral surface of the core portion 200 may include a hook moving groove 210 recessed inward.
  • the hook movement groove 210 may extend from a point spaced apart from the other end in the longitudinal direction of the core portion 200.
  • the core part 200 may include a chamfer part 220 formed to gradually decrease in diameter at one end portion of the suction port 110.
  • case 100 may be integrally formed with the core hook portion 140 by an injection method.
  • the core hook portion 140 is formed to protrude at a point spaced apart from the other end in the longitudinal direction of the case 100, the distance from the other end is the hook moving groove It may be equal to or shorter than the length of 210.
  • the suction pulsation reduction device 1 protrudes inwardly in a predetermined region of the inner circumferential surface of the case 100, the core guide 150 extending from one side to the other side in the longitudinal direction, and the core It may include a guide movement groove 230 extending in the longitudinal direction on the outer peripheral surface of the core portion 200 at a position corresponding to the guide 150 and embedded inward.
  • At least one core guide 150 and at least one core hook portion 140 may be formed.
  • the core guide 150 and the core hook part 140 may be disposed at positions corresponding to each other with respect to the center of the core part 200 on the outer circumferential surface of the core part 200. .
  • the engaging portion 130 may protrude outward along one side edge of the case 100, may be spaced apart at regular intervals in the circumferential direction.
  • the suction pulsation reducing device 1 protrudes outward in a predetermined area on the outer circumferential surface of the case 100, the body hook portion 160 is formed to gradually protrude toward the suction port 110 side. ) May be included.
  • At least one body hook portion 160 may be formed.
  • the locking portion 130 is seated on the groove 30 protruding from the suction passage 21,
  • the body hook part 160 may be fixed to the hook coupling part 31 in which the groove part 30 of the position corresponding to the body hook part 160 of the case 100 is recessed inward.
  • the suction pulsation reducing device of the swash plate compressor according to the present invention is limited to the moving section of the core portion, the configuration for mounting on the suction flow path is formed integrally in the case, thereby simplifying the configuration, easy assembly There is an advantage.
  • the suction pulsation reduction apparatus has the advantage that the case is integrally manufactured through a plastic injection method, it is possible to reduce the cost through reducing the material and assembly costs.
  • the suction pulsation reduction apparatus can be supported by the core hook portion protruding inward to the inner circumferential surface of the case without the core portion is separated from the case, even if the refrigerant suction is not made, the case
  • the suction port side end edge of the can be seated on the groove formed on the suction flow path by the engaging portion projecting outward, so that the case can replace all of the existing cover.
  • the suction pulsation reduction apparatus is configured to separate the core guide that can support the core in the direction of movement when moving the core, it is possible to prevent the unstable behavior due to rotation.
  • an object of the present invention is installed on the groove formed in the groove formed in the suction flow passage is mounted to the engaging portion of the case, the hook engaging portion formed inward on the groove portion of the position corresponding to the body hook portion formed on the outer peripheral surface of the case is formed By doing so, it is possible to prevent the rotation during the suction of the refrigerant.
  • FIG. 1 is a longitudinal perspective view showing a conventional suction pulsation reducing device.
  • Figure 2 is a front view of the suction pulsation reduction apparatus according to an embodiment of the present invention, a view showing a state mounted on the suction flow path.
  • Figure 3 is a longitudinal perspective view of the suction pulsation reduction device according to an embodiment of the present invention.
  • Figure 4 is a perspective view showing a case of the suction pulsation reduction device according to an embodiment of the present invention.
  • 5 and 6 are a plan view and a perspective view showing a core of the suction pulsation reduction apparatus according to an embodiment of the present invention.
  • FIG. 7 is a view showing the flow of the refrigerant in a state in which the suction pulsation reducing device according to an embodiment of the present invention is mounted on the suction passage.
  • FIG 8 and 9 are a perspective view and a longitudinal perspective view showing another embodiment of the suction pulsation reduction apparatus according to an embodiment of the present invention.
  • FIG. 10 is a perspective view illustrating a state in which the suction pulsation reducing device of FIG. 8 is mounted on a suction flow path;
  • Figure 11 is a plan view showing the groove of the suction flow path is equipped with a suction pulsation reducing device.
  • FIG. 12 is a perspective view showing another embodiment of the inhalation pulsation reduction device according to an embodiment of the present invention.
  • the swash plate compressor largely includes a housing 10, a rotation shaft, a swash plate, and a plurality of pistons.
  • the housing 10 is a part constituting the outer body of the swash plate compressor, the cylinder chamber for receiving the rotating shaft, the swash plate, and a plurality of pistons is formed therein, the rear head suction to supply the refrigerant to the cylinder chamber during the suction stroke
  • the flow path 21 is formed, and the discharge flow path which discharges the refrigerant
  • the rotating shaft is a means for transmitting the rotational driving force of the external drive source to the inside of the compressor
  • the swash plate is a means for converting the rotational driving force of the rotary shaft to the reciprocating linear motion of the piston, mounted in an inclined state on the rotating shaft, together with the rotating shaft Will rotate.
  • variable displacement swash plate type compressor is installed such that the inclination angle of the swash plate is variable, and when the inclination of the swash plate is 90 degrees with respect to the rotating shaft, the reciprocating motion of the piston disappears so that the rotating shaft is idle.
  • the piston compresses the refrigerant while reciprocating in the cylinder chamber.
  • the plurality of pistons are means for compressing the refrigerant while reciprocating the inside of the cylinder chamber by the swash plate, and discharges the refrigerant sucked into the cylinder chamber through the suction passage 21 to the external refrigerant line through the discharge passage. .
  • a suction port 20 through which refrigerant is introduced from the outside is formed at the front end of the suction flow path 21, and the suction pulsation reducing device 1 according to the present invention is mounted on the suction flow path 21 to suction pressure. As the core part 200 moves and the suction pulsation is adjusted.
  • the suction pulsation reducing device 1 is largely formed to include a case 100, a core part 200, and an elastic spring 300.
  • the case 100 has a substantially cylindrical shape, is located on the suction port 20 side, the suction port 110 having one side open in the longitudinal direction, the discharge port 120 having a predetermined outer peripheral surface hollow, and the edge of one end It is formed including a locking portion 130 protruding outward.
  • the case 100 is one side of the suction port 20 side is open, the other side is a part is closed form, the outer periphery is formed a plurality of outlets 120 at regular intervals do.
  • the engaging portion 130 protruding from the outside of the case 100 is configured to be mounted on the groove 30 protruding from the suction flow passage 21, and is conventionally manufactured as a separate accessory made of metal.
  • the injection molding is formed integrally with the body of the plastic material.
  • the locking portion 130 is configured to be caught by the groove portion 30, it may be all formed along the edge as shown in Figure 3, it may be formed spaced at a predetermined interval on the edge as shown in FIG. .
  • the core part 200 moves in the longitudinal direction in the case 100 in accordance with the suction pressure of the refrigerant flowing from the suction port 110 to adjust the opening and closing area of the suction port 110.
  • the core part 200 is a means for controlling the flow of the refrigerant passing through the case 100, and reciprocates in the axial direction according to the pressure of the refrigerant flowing through the inlet 110 of the case 100. While moving, the opening and closing areas of the suction port 110 and the discharge port 120 of the case 100 are adjusted.
  • the core portion 200 is formed in a cylindrical shape that can be reciprocated in the longitudinal direction in the case 100, the chamfer portion that gradually decreases in diameter toward the suction port 110 side in a predetermined region of the suction port 110 side ( 220 is formed.
  • the core 200 is reciprocated in the axial direction according to the suction pressure of the refrigerant, the side opposite to the suction port 110 side is inserted into the case 100, the elastic spring ( Elastically supported by 300).
  • the core part 200 When the suction pressure of the refrigerant is less than the tensile force of the elastic spring, the core part 200 may be ejected from the case 100 by being bounced toward the suction port 110, and thus may be supported in a direction opposite to the tensile force of the elastic spring. We need a means to do it.
  • the suction pulsation reducing apparatus 1 corresponds to the core hook portion 140 protruding inward in a predetermined region of the inner circumferential surface of the case 100 and the core hook portion 140. It extends in the longitudinal direction to the outer peripheral surface of the core portion 200 in the position, and includes a hook moving groove 210 recessed inward.
  • the core portion 200 is formed by extending from the point spaced apart a predetermined distance from the other end in the hook movement groove 210 in the longitudinal direction, when the refrigerant suction is not made, the core hook portion 140 is hooked It is caught and supported by the end of the moving groove (210).
  • the core hook portion 140 is formed to protrude at a point spaced apart from the other end in the longitudinal direction of the case 100, the distance spaced from the other end is the same as the length of the hook moving groove 210. It is preferable that the core portion 200 is formed to be short or short so as to smoothly move in the axial direction within the case 100.
  • the suction pulsation reducing device 1 protrudes inward in a predetermined region of the inner peripheral surface of the case 100, extending from one side to the other side in the longitudinal direction
  • the core guide 150 may further include a guide moving groove 230 extending in a longitudinal direction on an outer circumferential surface of the core part 200 at a position corresponding to the core guide 150, and recessed inward.
  • the core guide 150 prevents the core part 200 from being rotated or unstable in a direction other than the longitudinal direction, that is, the axial direction, in the case 100, thereby preventing the core 100 from moving.
  • One core guide 150 may be formed, or two may be formed as illustrated in FIG. 4. In an arrangement relationship with the core hook unit 140, the core guide 150 may be formed on an outer circumferential surface of the core unit 200. It is preferable to be disposed at regular intervals at positions corresponding to each other with respect to the center of the unit 200.
  • FIG 5 and 6 illustrate an example in which two core guides 150 are formed and one core hook portion 140 is formed.
  • the core guide 150 and the core hook portion 140 are illustrated in FIG. Placed at approximately 120 degree intervals.
  • the suction pulsation reduction device 1 protrudes outward in a predetermined area on the outer circumferential surface of the case 100, gradually protrudes toward the suction port 110 side It may also include a body hook portion 160 is formed.
  • the assembly is mounted in a snap fit manner through the body hook portion 160, rather than the conventional forced pressing method. It may be easy.
  • the suction pulsation reducing device 1 is the locking portion 130 is seated on the groove portion 30 protruding on the suction flow path 21, as shown in Figure 9, the body hook of the case 100
  • the body hook part 160 may be locked by the hook coupling part 31 recessed inwardly in the groove part 30 at a position corresponding to the part 160.
  • the suction pulsation reducing device 1 can be prevented from being unnecessarily rotated by the suction pressure of the refrigerant introduced from the suction port 20.
  • the body hook portion 160 and the hook coupling portion 31 may be formed in plural at regular intervals as necessary.
  • the suction pulsation reducing device 1 of the swash plate type compressor according to the present invention restricts the moving section of the core part 200, and all of the components for mounting on the suction passage 21 are integrated in the case 100.
  • the configuration is simplified, there is an advantage that the assembly is easy.
  • the suction pulsation reduction apparatus 1 has the advantage that the case 100 is manufactured integrally through the plastic injection method, it is possible to reduce the cost through reducing the material and assembly costs.
  • the suction pulsation reducing apparatus 1 even when the refrigerant suction is not made, the core part 200 is not separated from the case 100 to the inner circumferential surface of the case 100 inwards. It is supported by the protruding core hook portion 140, the groove formed on the suction flow path 21 by the engaging portion 130, the side edge of the suction port 20 side of the case 100 protrudes outward Can be seated in the 30 can be replaced by the case 100 all the existing cover role.

Abstract

La présente invention concerne un amortisseur de pulsations d'admission d'un compresseur de type à plateau oscillant et, plus particulièrement, un amortisseur de pulsations d'admission disposé dans un trajet d'écoulement d'admission formé dans une tête arrière du compresseur de type à plateau oscillant, dans lequel la plage de déplacement d'une partie centrale est limitée, et tous les composants à installer dans le trajet d'écoulement d'admission sont intégrés dans un boîtier.
PCT/KR2017/006762 2016-08-24 2017-06-27 Amortisseur de pulsations d'admission de compresseur de type à plateau oscillant WO2018038377A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE112017000161.7T DE112017000161B4 (de) 2016-08-24 2017-06-27 Einlasspulsationsdämpfer mit Haltung eines Kernabschnitts durch eine Hakenbewegungnut und Kernhakenabschnitt eines Taumelscheibenkompressors
CN201780004007.2A CN108291534B (zh) 2016-08-24 2017-06-27 斜盘型压缩机的吸入脉动减少设备
US15/780,565 US10844853B2 (en) 2016-08-24 2017-06-27 Intake pulsation damper of swash plate-type compressor
JP2018521647A JP6605137B2 (ja) 2016-08-24 2017-06-27 斜板式圧縮機の吸入脈動低減装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2016-0107492 2016-08-24
KR1020160107492A KR20180022279A (ko) 2016-08-24 2016-08-24 사판식 압축기의 흡입맥동 저감장치

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WO2018038377A1 true WO2018038377A1 (fr) 2018-03-01

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US (1) US10844853B2 (fr)
JP (1) JP6605137B2 (fr)
KR (1) KR20180022279A (fr)
CN (1) CN108291534B (fr)
DE (1) DE112017000161B4 (fr)
WO (1) WO2018038377A1 (fr)

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JP2018532072A (ja) 2018-11-01
DE112017000161B4 (de) 2023-09-28
KR20180022279A (ko) 2018-03-06
CN108291534B (zh) 2020-04-03
DE112017000161T5 (de) 2018-06-28
CN108291534A (zh) 2018-07-17
JP6605137B2 (ja) 2019-11-13
US10844853B2 (en) 2020-11-24
US20190170131A1 (en) 2019-06-06

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